CN103496174A - Manufacturing method of glass fiber-reinforced plastic integrated septic tank storage pot - Google Patents
Manufacturing method of glass fiber-reinforced plastic integrated septic tank storage pot Download PDFInfo
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- CN103496174A CN103496174A CN201310447454.9A CN201310447454A CN103496174A CN 103496174 A CN103496174 A CN 103496174A CN 201310447454 A CN201310447454 A CN 201310447454A CN 103496174 A CN103496174 A CN 103496174A
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- 238000003860 storage Methods 0.000 title claims abstract description 37
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 35
- 239000011152 fibreglass Substances 0.000 title abstract description 9
- 239000011347 resin Substances 0.000 claims abstract description 68
- 229920005989 resin Polymers 0.000 claims abstract description 68
- 238000000034 method Methods 0.000 claims abstract description 26
- 230000008569 process Effects 0.000 claims abstract description 7
- 238000002347 injection Methods 0.000 claims abstract description 5
- 239000007924 injection Substances 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 44
- 239000011521 glass Substances 0.000 claims description 21
- 239000004744 fabric Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 11
- 238000005086 pumping Methods 0.000 claims description 10
- 210000003608 fece Anatomy 0.000 claims description 7
- 239000010871 livestock manure Substances 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000013461 design Methods 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims description 2
- 238000005452 bending Methods 0.000 abstract description 3
- 239000012528 membrane Substances 0.000 abstract 1
- 238000007711 solidification Methods 0.000 abstract 1
- 230000008023 solidification Effects 0.000 abstract 1
- 238000004804 winding Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000011151 fibre-reinforced plastic Substances 0.000 description 1
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011221 initial treatment Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- -1 open this pipeline Polymers 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
- B29C70/36—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and impregnating by casting, e.g. vacuum casting
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
The invention provides a manufacturing method of a glass fiber-reinforced plastic integrated septic tank storage pot. The manufacturing method is characterized in that a vacuum membrane (7), and the inner walls of a middle cylinder mold (1) and an end socket mold (2) both for the septic tank storage pot are combined to form an airtight cavity (9) isolated from outside air, the airtight cavity (9) is provided with a plurality of resin injection pipelines (91) located at different horizontal heights and a plurality of vacuum supply pipelines (92) located at the highest position, the airtight cavity (9) is kept in vacuum through air exhaust, resin is absorbed into the airtight cavity (9) through the resin injection pipelines (91), and then a glass fiber-reinforced plastic cylinder (10) and an end socket (20) are formed after solidification. After the auxiliary structure of the storage pot is fabricated completely, the cylinder (10) and the end socket (20) are assembled into the integrated glass fiber-reinforced plastic septic tank storage pot. The manufacturing method provided by the invention is capable of producing the glass fiber-reinforced plastic storage pot which is higher in compactness, higher in strength and more stable in quality, and the process of the manufacturing method is clean and has environment-friendly effect. Provided that the cylinder mold of a corrugated concave-convex structure (11) is adopted, a support in the cylinder can be further omitted, and consequently, the compressive strength and bending strength of the cylinder can be improved.
Description
Technical field
The present invention relates to a kind of storage tank manufacture method, particularly a kind of manufacture method of FRP integrated septic tank storage tank.
Background technology
Septic tank is the indispensable drainage treatment equipment of building field, is used for sanitary wastewater is carried out after primary treatment entering municipal pipeline or entering subordinate's sewage treatment facility again carrying out advanced treating, and more employing is buried.The early stage septic tank of manufacturing adopts brick, armored concrete or steel plate usually, but all has obvious defect, and FRP integrated septic tank is progressively selected for most of construction units in recent years.Fiberglass formal name used at school fiberglass reinforced plastics, the septic tank storage tank of glass steel material, have corrosion resistance extremely strong, non-leakage, and be easy to construction, and aging speed waits characteristics slowly, and can reach more than 50 years service life.The glass toughening manure pit storage tank generally is embedded in underground 0.7 to 3.5 meter, to save ground space, the uses such as greening, square, road, parking lot can be done in ground, therefore underground tank body need afford the multiple pressures such as top earthing pressure, lateral pressure, landing load (as ground parking or vehicle pass-through pressure) and geology differential settlement stress, tank body must have enough intensity and bears external force and do not damage, so manufacturing process has been proposed to very high requirement.
The general manufacturing technology of existing fiberglass-reinforced glass storage tank mainly contains three kinds: manual pasting, machinery are wound around and the winding pipeline assembling mode.Wherein the manual pasting method is the most backward, and efficiency is low, labour intensity is large, unstable product quality, wayward; Machinery winding and winding pipeline assembly mechanical winding method are more similar, use wrapping machine interior be lining with whole Wrapping formed or be wound around processing component respectively after row is manual again connects, although high with respect to the manual pasting mechanization degree, product quality is than homogeneous, but high to equipment requirement, be difficult to reduce costs, assemble uniformity by hand poor, easily produce quality problems.Simultaneously, above-mentioned three kinds of manufacture methods all face in the situation that the tank wall limited thickness, the problem of buried storage tank resistance to compression, counter-bending scarce capacity, the tank body of manufacturing with said method, all need to increase inner support with lift structure intensity in tank, but therefore brought again, manufacture process is loaded down with trivial details, operation inconvenience, and backing material, size are difficult for the problems such as coupling and tank body inner support point stress raisers.
Summary of the invention
The technical problem to be solved in the present invention is the deficiency for existing glass toughening manure pit manufacturing technology, provide a kind of and make that packing is higher, intensity is larger, without inner support, product the method for stable fiberglass-reinforced glass storage tank, and application the method is manufactured fibre glass product manufacture environmental protection more.
In order to solve the problems of the technologies described above, the invention provides a kind of manufacture method of FRP integrated septic tank storage tank, comprise that step is: make respectively 2 end sockets at the middle cylindrical shell of septic tank storage tank and two ends of barrel molds and the end-sealing die matched, idiographic flow is: mould inner wall is cleaned out to rear spraying gel coat; After gel coat dries, on described mould inner wall, by the design number of plies, lay glass layer, lay according to this release cloth, guide layer, vacuum diaphragm on described glass layer, with sealing strip, vacuum diaphragm edge and mould inner wall laminating are formed to the sealing die cavity; Insert a plurality of notes resin pipelines on described sealing die cavity, in its highest level position, insert a plurality of vacuum-pumping pipeline; First, by described notes resin pipeline sealing, connect described vacuum-pumping pipeline with vavuum pump described sealing die cavity is evacuated to vacuum; Described notes resin pipeline is inserted in deployed resin, open this pipeline, resin injects in the sealing die cavity by this pipeline, when resin is filled with gradually whole sealing die cavity and overflow to described vacuum-pumping pipeline place, stops the resin of annotating; After continuing to be evacuated to resin and solidifying fully, described release cloth, guide layer, vacuum diaphragm are removed in the lump, through the demoulding, can make required fiber reinforced plastic barrel and end socket.Output respectively water inlet and delivery port on 2 end sockets, internal structure is installed in cylindrical shell, then cylindrical shell and 2 end sockets are assembled into to complete glass toughening manure pit storage tank;
As a modification of the present invention scheme, a plurality of notes resin pipelines are arranged on described sealing die cavity 9 differentiated levels positions, when manufacturing cylindrical shell, at described sealing die cavity, keep in vacuum state resin by injection process, first only open the notes resin pipeline of floor level position, when resin covers this floor level face, close this pipeline, open in turn the notes resin pipeline of adjacent higher level position along described barrel molds inwall circumference side, the resin order is full of whole sealing die cavity by the described notes resin pipeline from low and high.
As another kind of improvement project of the present invention, along the circumferential direction piecemeal repeatedly moulding make cylindrical shell, described barrel molds column type inwall is divided into to a plurality of cylindrical sides along its circumferencial direction, first use the lowest part cylindrical side to make the part cylindrical shell, the rotary barrel mould makes all the other sides go in turn lowest part to carry out the making of cylindrical shell various piece again, until cylindrical shell all completes.
As the above-mentioned three kinds of schemes of the present invention a kind of further preferably, the described guide layer be laid on release cloth is the spiral stream guidance pipe; Further preferred as another kind, described barrel molds inwall can make along cylinder axis to the corrugated concaveconvex structure; Further preferred as another, when described sealing die cavity is vacuumized, vacuum reaches-more than 0.09Mpa.
Adopt the inventive method to make the FRP integrated septic tank storage tank, compare with existing manufacturing process, there is clear superiority.Resin sized glass fibres under vacuum environment, only just can obtain the smooth smooth goods in two sides with one-side mould, is convenient to control the thickness of product, saves die cost; Resulting product material packing significantly improves, and intensity increases greatly, and distribution of material is even, and batch difference is little, and resin demand is accurate, and service speed is fast, and the vacuum injection process has been avoided the resin volatilization and splashed, clean environmental protection.
In addition, adopt the cylindrical shell of corrugated concaveconvex structure barrel molds manufacture with ripple struction, broken through the restriction of existing manufacturing process barrel gauge, increased cylindrical shell appearance and size, significantly promoted resistance to compression, counter-bending ability, made cylindrical shell more firm, save inner support, simplified fabrication schedule.
The accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, technical scheme of the present invention is made and being further illustrated.
Fig. 1 lays laying step schematic diagram at the barrel molds inwall.
Fig. 2 is spiral stream guidance pipe A place enlarged drawing.
Fig. 3 is closed type cavity configuration schematic diagram.
Fig. 4 is Cylinder and end socket combination step schematic diagram.
Fig. 5 is the FRP integrated septic tank storage tank cutaway view completed.
Shown in figure, 1 is barrel molds, and 10 is cylindrical shell, and 101 is inspection shaft, 102 is partition panel, and 103 is the flashing hole, and 11 is the corrugated concaveconvex structure, and 2 is end-sealing die, 20 is end socket, and 201 is water inlet, and 202 is delivery port, and 3 is mould inner wall, 4 is glass layer, and 5 is release cloth, and 6 is the spiral stream guidance pipe, 61 is gap between screw, and 7 is vacuum diaphragm, and 8 is sealing strip, 9 is the sealing die cavity, and 91 for annotating the resin pipeline, and 92 is vacuum-pumping pipeline.
The specific embodiment
Fig. 1 to 3 is depicted as the first embodiment that the present invention makes cylindrical shell and end socket.The septic tank storage tank normally is the cylindrical shell of the hollow of cylindrical shape substantially by profile, with each segment shape end socket of two ends, combine, and therefore manufactures storage tank and at first needs selected supporting barrel molds 1 and end-sealing die 2.Because the relative cylindrical shell of end socket is less and geometry is simple, therefore take the cylindrical shell manufacture process, as main, be illustrated.
Before starting to make cylindrical shell 10, at first barrel molds inwall 3 is cleaned out to rear spraying one deck gel coat, the demoulding after being convenient to, gel coat dries follow-up afterflow journey; As shown in Figure 1, first according to the design number of plies, lay fine and close glass layer 4 on barrel molds inwall 3, be close to mould inner wall 3, make its shape as far as possible consistent with inwall, it should be noted that, vague generalization manure pit storage tank all can be made inspection shaft 101 on cylindrical shell 10 tops, while laying glass layer 4 and each laying afterwards, inspection shaft 101 should be left a blank the tube connector position on cylindrical shell 10; Then on glass layer 4, lay release cloth 5, after the resin perfusion, release cloth 5 is easily taken off; Lay spiral stream guidance pipe 6 as guide layer on release cloth 5, as shown in Figure 2, spiral stream guidance pipe 6 is spiral helicine winding pipe, and gap between screw 61 is arranged in pipe, and resin can constantly ooze out during by spiral stream guidance pipe 6 from gap between screw 61; Vacuum diaphragm 7 is covered on spiral stream guidance pipe 6, and the sealing means easily that uses sealing strip 8 or other one of ordinary skill in the art to understand, fit tightly vacuum diaphragm 7 edges and mould inner wall 3, forms the sealing die cavity 9 with isolate from outer air; Through vacuum diaphragm 7, a plurality of notes resin pipelines 91 are set on sealing die cavity 9, in sealing die cavity 9 highest level positions, a plurality of vacuum-pumping pipeline 92 are set, be sealing die cavity 9 structures shown in Fig. 3; Annotating resin pipeline 91 is communicated with spiral stream guidance pipe 6 after interior entering sealing die cavity 9.
While starting to make, first will annotate 91 sealings of resin pipeline, vacuum-pumping pipeline 92 connects vavuum pump, continues to seal die cavity 9 air and extracts out, makes it to keep vacuum state; Put into by annotating resin pipeline 91 resin for preparing curing agent, promoter, open and annotate resin pipeline 91, now extraneous resin is communicated with sealing die cavity 9, sealing die cavity 9 is vacuum state, external atmosphere pressure is negative pressure relatively, resin injects in sealing die cavity 9 by annotating resin pipeline 91 under atmospheric pressure, resin infiltrate spiral stream guidance pipe 6 and release cloth 5, sized glass fibres layer 4, when resin is progressively filled with sealing die cavity 9, when arrival is positioned at vacuum-pumping pipeline 92 place of highest level face, stop the resin of annotating; Continue to vacuumize until resin is fully curing, start laying is removed from release cloth 5, after the demoulding, make the cylindrical shell 10 of glass steel material.End socket 20 can be used same method to make.Adopt the mode of above-mentioned vacuum resin by injection moulding, only with one-side mould, just can obtain the smooth smooth goods in two sides, be convenient to control the thickness of product, save die cost; Resulting product material packing, compression strength all increase greatly, and distribution of material is even, and batch difference is little, and resin demand is accurate, and service speed is fast, have avoided the resin volatilization and have splashed, clean environmental protection.
While using the vacuum method for implanting, the importing resin time used is proportional to resin viscosity and imports distance, be inversely proportional to the poor and material permeability of resin pressure, therefore, preferably by vacuumizing the vacuum keep in sealing die cavity 9 at least reach-0.09Mpa negative pressure, contribute to shorten the resin time that imports; Secondly, if annotate resin pipeline 91, only be arranged on extreme lower position, during importing, along with resin infiltrates to inside, importing distance sharply increases, and required time also can significantly increase, and when barrel molds 1 is larger, is difficult to meet real requirement especially.Further, a plurality of described notes resin pipelines 91 are arranged on to described sealing die cavity 9 differentiated levels positions, in manufacturing cylindrical shell 10 processes, first only open the notes resin pipeline 91 of floor level position, when resin covers this floor level face, close this pipeline, open in turn the notes resin pipeline 91 of adjacent higher level position along described barrel molds inwall 3 circumferencial directions, the resin order is full of whole sealing die cavity 9 by the described notes resin pipeline 91 from low and high.Can shorten manufacturing time like this, and the glass fiber reinforced plastics product distribution of material is more even.
When barrel molds used 1 is larger, for the ease of operation, improve to manufacture efficiency, along the circumferential direction piecemeal formed cylinder body repeatedly.Barrel molds 1 inwall cylindrical side is divided into to 2 to a plurality of zones along its circumferencial direction, first use barrel molds 1 lowest part cylindrical side zone to make the part cylindrical shell, suitably rotary barrel mould 1 makes all the other cylindrical side zones go in turn lowest part again, carry out one by one the making of cylindrical shell various piece, the each several part cylindrical shell can suitably extend at intersection, be convenient to adjacent part and be connected, control each segmented areas cylindrical shell and be connected segment thickness, make itself and segmented areas core keep homogeneous; Until all segmented areas completes, form a complete hollow cylindrical cylindrical shell 10.
Fig. 4,5 illustrates another kind of preferred version of the present invention, adopt inwall have along cylinder axis to the mould of corrugated concaveconvex structure 11 manufacture cylindrical shell 10.For the existing manufacturing process of glass toughening manure pit storage tank, the buried storage tank cylindrical shell must have enough intensity and bear external pressure, but be subject to the restriction of barrel size and weight, be difficult to only depend on increase barrel thickness to carry out the reinforced tube firmness degree, increase inner support lift structure intensity and can bring other defect again in tank.General barrel thickness 10-20 millimeter, use corrugated concaveconvex structure 11, cylindrical shell appearance and size rises to more than 100 millimeters, cylindrical shell has larger elastic deformation leeway, can share uniformly the suffered external pressure of cylindrical shell, by fine setting concaveconvex structure shape, in the situation that equal materials can significantly improve cylinder strength, promote resistance to compression, non-deformability, without using inner support, properties of product significantly promote than the fiberglass-reinforced glass storage tank of conventional smooth cylindrical shell.Therefore corrugated concaveconvex structure 11 buried fiberglass-reinforced glass storage tank very compatibly.
Required cylindrical shell 10 and end socket 20 according to the attached structure of common septic tank storage tank, are outputed respectively water inlet 201 and delivery port 202 after making on 2 end sockets 20, and partition panel 102 is installed in cylindrical shell, reserve flashing hole 103; After completion of processing, as shown in Figure 4, cylindrical shell 10 and 2 end sockets 20 are assembled into to complete glass toughening manure pit storage tank, complete storage tank cutaway view is as Fig. 5.
Below by reference to the accompanying drawings the specific embodiment of the present invention is made an explanation, but the present invention is not limited to above-mentioned embodiment, possesses in ken those of ordinary skills, can also makes a variety of changes under the prerequisite that does not break away from aim of the present invention.
Claims (6)
1. the manufacture method of a FRP integrated septic tank storage tank comprises the following steps:
-make respectively 2 end sockets (20) of cylindrical shell (10) and two ends in the middle of the septic tank storage tank of barrel molds (1) and the end-sealing die (2) that matches;
-output respectively water inlet (201) and delivery port (202) on 2 end sockets (20), internal structure is installed in cylindrical shell;
-cylindrical shell (10) and 2 end sockets (20) are assembled into to complete glass toughening manure pit storage tank;
It is characterized in that, the making step of described cylindrical shell (10) and end socket (20) is:
-mould inner wall (3) is cleaned out to rear spraying gel coat;
After-described gel coat dries, upper by design number of plies laying glass layer (4) at described mould inner wall (3), at the upper release cloth (5) of laying of described glass layer (4);
-at the upper guide layer of laying of described release cloth (5), lay vacuum diaphragm (7) on described guide layer, with sealing strip (8), described vacuum diaphragm (7) edge and described mould inner wall (3) laminating are formed to sealing die cavity (9);
-a plurality of notes resin pipelines (91) are set in described sealing die cavity (9), in described sealing die cavity (9) highest level position, a plurality of vacuum-pumping pipeline (92) are set;
-by described notes resin pipeline (91) sealing, vavuum pump deflates by connecting described vacuum-pumping pipeline (92), makes described sealing die cavity (9) keep vacuum state;
-described notes resin pipeline (91) inserts in the resin of allotment and opens, resin injects in described sealing die cavity (9) by described notes resin pipeline (91), fill with sealing die cavity (9) when resin and while locating, stop the resin of annotating to described vacuum-pumping pipeline (92);
-continue to vacuumize until after resin solidifies fully, by described release cloth (5) and on it laying remove;
-the demoulding, make described cylindrical shell (10) and the end socket (20) of glass steel material.
2. the manufacture method of FRP integrated septic tank storage tank according to claim 1, it is characterized in that, a plurality of described notes resin pipelines (91) are arranged on described sealing die cavity (9) differentiated levels position, in manufacturing described cylindrical shell (10) process, when described sealing die cavity (9) keeps the vacuum state resin by injection, first only open the notes resin pipeline (91) of floor level position, when resin covers this floor level face, close this pipeline, open in turn the notes resin pipeline (91) of adjacent higher level position along described barrel molds inwall (3) circumferencial direction, resin sequentially is full of whole sealing die cavity (9) by the described notes resin pipeline (91) from low and high.
3. the manufacture method of FRP integrated septic tank storage tank according to claim 1, it is characterized in that, described cylindrical shell (10) adopts repeatedly moulding, described barrel molds (1) column type inwall is divided into to a plurality of cylindrical sides along its circumferencial direction, first use the lowest part cylindrical side to make the part cylindrical shell, rotary barrel mould (1) makes not make side and goes in turn lowest part and made again, until cylindrical shell (10) all completes.
4. according to the manufacture method of the described FRP integrated septic tank storage tank of any one in claims 1 to 3, it is characterized in that, described guide layer is spiral stream guidance pipe (6).
5. according to the manufacture method of the described FRP integrated septic tank storage tank of any one in claims 1 to 3, it is characterized in that, the inwall of described barrel molds (1) have along cylinder axis to corrugated concaveconvex structure (11).
6. according to the manufacture method of the described FRP integrated septic tank storage tank of any one in claims 1 to 3, it is characterized in that, described sealing die cavity (9) vacuumized, make vacuum reach-more than 0.09Mpa.
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| CN201310447454.9A CN103496174B (en) | 2013-09-25 | 2013-09-25 | The manufacture method of FRP integrated septic tank storage tank |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104626608A (en) * | 2015-01-27 | 2015-05-20 | 溧阳二十八所系统装备有限公司 | Integral molding process for light portable carbon fiber box |
| CN106217908A (en) * | 2016-08-28 | 2016-12-14 | 北海运龙环保材料有限责任公司 | A kind of RTM technique produces the method for rural area glass toughening manure pit |
| CN106348434A (en) * | 2016-08-28 | 2017-01-25 | 北海运龙环保材料有限责任公司 | Method for producing glass fiber reinforced plastic septic tank for urban civil use by RTM (resin transfer molding) process |
| CN110216899A (en) * | 2019-05-17 | 2019-09-10 | 张家港市威尔森环保设备有限公司 | A kind of end socket preparation process |
| CN110696388A (en) * | 2019-10-24 | 2020-01-17 | 王明明 | High-pressure gas tank forming device made of polymer-based carbon fiber composite material |
| CN111660584A (en) * | 2020-06-13 | 2020-09-15 | 黄伟 | Environment-friendly glass tempering manure pit shaping processing equipment |
| CN113650902A (en) * | 2021-07-12 | 2021-11-16 | 深圳市博硕科技股份有限公司 | Feeding mechanism for CCD (Charge coupled device) positioning automatic laminating machine and using method thereof |
| CN114714647A (en) * | 2022-04-19 | 2022-07-08 | 陕西顺宏华方环保科技有限公司 | Glass fiber reinforced plastic water tank and manufacturing method thereof |
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